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Share-Based Payments - Narrative (Details) - USD ($) $ in Thousands | 3 Months Ended |
--- | --- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Nov. 30, 2024
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Total stock-based compensation cost | $ 4,979 | $ 4,651 |
Restricted Stock |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Granted (in shares) | 520,900 |  |
Percent of shares vested on time | 40.00% |  |
Unrecognized compensation cost on non-vested awards | $ 30,002 |  |
Weighted average period of recognition of unrecognized compensation cost on non-vested awards | 2 years 3 months 18 days |  |
Restricted stock awards unvested (in shares) | 71,549 |  |
2017 Equity Incentive Plan | Stock Compensation Plan |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Term of plan | 10 years |  |
Amended 2017 Plan |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Shares reserved for future issuance under award plan (in shares) | 3,450,000 |  | 4,950,000
Shares issuance under award plan (in shares) | 1,720,138 |  |
Options granted (in shares) | 75,000 |  |
Share-based awards outstanding (in shares) | 1,685,714 |  |
Percentage of outstanding stock maximum | 200.00% |  |
Amended 2017 Plan | Time-Based Restricted Share Units |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Granted (in shares) | 1,459,643 |  |
Amended 2017 Plan | Performance-Based Restricted Share Units |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Granted (in shares) | 1,874,354 |  |
Retirement Eligible Employees |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Future income tax benefit from compensation expense recognized | $ 818 | $ 684 |
Director Fee Plan |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Shares deferred under stock based compensation plan (in shares) | 51,527 |  |
Value of annual stock based grant | $ 140 |  |
Total restricted stock awards granted to date (in shares) | 377,460 |  |
Restricted stock awards unvested (in shares) | 204,231 |  |
2014 Director Fee Plan |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Annual retainer fee paid to non-employee directors | $ 90 |  |
Annual retainer fee paid to non-employee Chairman of the Board | $ 210 |  |
2019 Director Fee Plan |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Number of shares available for grants or awards (in shares) | 300,000 |  |

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